Jay Leno joked during his Tonight Show monologue on Friday mentioned, “And congratulations to Ozzy Osbourne, who announced today he’s been sober for 17 months. 17 months.” Then out walked Osbourne to sign Leno’s Harley which is being auctioned for Hurricane Katrina relief. “By the way, I found out what my drinking problem was,” Osbourne said. “I only had one mouth.” Afterwards, Jay joked, “17 months, he’s been sober. That’s not in a row. That means total. Oh, no, you don’t think it’s all at one time. That’s over like 52 years.”